Bumper step



FIG. 1 is a front perspective view of a bumper step showing my new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a side elevational view thereof taken from the right of FIG. 1 and the opposite side is a mirror image thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof.

The broken line showing of a bumper in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a bumper step, as shown and described. 